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Experienced Linux System Administrator with a demonstrated history of working in the information technology and services industry. Skilled in VMware ESX, Government, Intelligence, Servers, and Windows Server. Strong information technology professional with a Bachelor's degree focused in Information Technology Management from American Military University.
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Unix SmeDisa Oct 2020 - PresentUsUnix SME for DCSA -
Hbss Technical LeadDisa Jun 2019 - Oct 2020UsServed as the technical lead for Host Based Security System (HBSS) support provided by the Ecosystem Infrastructure and Sustainment Line of Business, SEL341. Performed the role of acting section chief during my section chief's absence. Coordinated employee leave and attended management level briefings when appropriate. Supervised the daily operational support provided by HBSS application support staff. Provided additional support for my section chief in enforcing compliance among support staff for issues such as trainingAs technical lead, my duty is to provide leadership to the HBSS application support personnel to include training, organizational information, and support direction. Responsible for operational support of the ePolicy Orchestrator application for DISA as well as all Tier II support for DoD organizations that utilize the HBSS Program Office implementation of the HBSS suite of products. My duties included planning all application and module updates to the latest baseline versions and maintain the most recent approved security posture., time and attendance. Responsible for evaluating update functionality and reporting back trend analysis to the HBSS program office regarding their products. Communicate orally in daily meetings with my application support teams to discuss the pressing issues of the day. Follow every meeting with an email providing a written summary of the issues discussed during our meetings. Also, utilized the same process of oral and written communication for regular discussions held with the mission partners for which my section provides support. I maintain positive working relationships with my own staff, as well as mission partner and other Ecosystem Lines of Business. -
Linux System AdministratorDisa Feb 2015 - Jun 2019UsSenior IT Specialist and DISA Linux system administrator at DISA DECC OKC. Works with a team on over 700 plus Linux servers supplying services to CONUS and OCONUS customers for a geographically diverse and enterprise level environment. Develops and implements systems diagnostics and maintenance tools such as bash shell, BladeLogic, Remedy, SALT, Tectia, Microsoft products, Automated Data Management Systems, Tomcat, Oracle-RAC, VMware, Rapid Access Computing Environment (RACE), PKI, and security tools such as SCAP/SRG, LDAP, APACHE, SPLUNK, and Tivoli to ensure availability and functionality of the systems. Evaluates and recommends the selection of new system diagnostic tools by providing feedback to technical leads and branch chiefs. Installs and configures commercial off-the shelf (COTS) applications and software/hardware enhancements. Ensures applications of information security/information assurance policies, principles, and practices developing procedures responding to new threats to systems to ensure confidentiality, integrity, and availability. achieve data and system integration/interoperability through policy and procedures. Collaborates with line supervisors of other sections on the implementation of new systems on a regular basis. While on the Windows implementation team at DISA was required to collaborate with other sections in and outside the facility on new systems and how they operate, as well as providing information on storage, networking, upgrades, application loads, and information security while providing customer service.While assigned to DISA in the Windows and Linux implementation teams, maintains plans for new systems to comply with plans and policies by following outlined DISA procedures and policies. During a massive storage migration, designed complex physical data models that describe the structure for data storage, stat indexing, data manipulation, and stat retrieval application. -
Windows Systems AdministratorDisa Dec 2013 - Feb 2015Us -
Base Support Group It DirectorUnited States Department Of Defense Sep 2017 - Feb 2018Washington, Dc, UsAs IT Director of Area Support Group (ASG), Kandahar (KAF), Afghanistan, responsible for the building, maintenance, and support of the base operational war fighter information network tactical. Recommended appropriate network addressing systems, appropriate layouts for various network configurations, and appropriate connection devices. Installed, operated, and maintained DoD user accounts, Windows Server 2003 file and print servers, troubleshot computer, server, and software problems, submitted help desk tickets with higher IT organizations as needed, provided basic user level customer service to ensure continued connectivity to include network printer and share mappings. Updated the ASG Kandahar NIPR and CENTRIX portal websites. Ensured continuous internal/external security of the operations center. Received and controlled $150,000 material and equipment. Responsible for the proper destruction of classified materials IAW prescribed procedures. Directed actions on flash precedence messages and routed actions within the ASG staff and to other ASGs in response to time critical issues. Upon activation of the crisis action team (CAT), served as a CAT action officer analyzing all inputs, and relayed pertinent items of interest to the emergency operations center (EOC). Supported ASG personnel by answering online trouble tickets, providing walk-in service for issues with VoIP, SVoIP, computer, e-mail or anything IT related. Supported the ASG with system upgrades by tech refreshing desktops and taking to support centers for imaging. Assisted 160th Signal Information Assurance in the collection of data for security violations. Complete Life Cycle Replacement (LCR) for all computer devices at ASG to include VoIPs, desktops, monitors, switch boxes, token readers, and laptops. Updated ASG (KAF) Garrison Commander during three weekly meetings. Attended weekly CJ6 sync at Train, Advise, Assist Command - South (TAAC-S) to obtain information that affects the entire base. -
Deputy Director Cj6United States Department Of Defense Jan 2017 - Aug 2017Washington, Dc, UsServed as the Deputy Director for Deputy Chief of Staff Security Assistance (DCOS SA)/Combined Security Transition Command – Afghanistan (CSTC-A). Deployed to Afghanistan under the Civilian Expeditionary Workforce (CEW) as the Deputy Directory of the CJ6 Communications Shop supporting over 500 customers with a 4 person team. As Deputy Directory of CJ6 in Afghanistan, applied analytical processes to the planning, design and implementation of new and improved information systems to meet the business requirements of Resolute Support Headquarters organizations and managed and/or direct large-scale projects with technical authority over a wide range of Information Technology (IT) disciplines.Supervised 35 Joint Service Information Management Officers (IMO) in the daily upkeep of over 1,200 computer peripherals assigned to 650 US and Coalition personnel. Implemented daily OJT for his section, managed the command contact roster and filled the role as the CJ6 Director, an O-5 billet. Directly briefed the 2-star Commanding General regarding all facets of communications spanning 21 Directorates providing operational, technical, analytical, and operational advice to the staff. Resolved 400 computer outages across 5 enclaves, successfully established 35 secure VTC's. Responsible for technical automations communications support to the DCOS SA/CSTC-A Headquarters, supporting a two star command with over 600 personnel assigned in support of Resolute Support Headquarters (RSHQ) and Operation Freedom's Sentinel (OFS) missions.Managed over 1800 US/NATO computer system profiles, equipment procurement, and asset accountability totaling over $700,000. As the IT SME, resolved over 700 trouble calls, activated over 500 email accounts, prepared 75 VTCs and issued out over 200 cell phone devices.Conducted over 45 man-hours of IMO training and roughly 250 hours of individual one on one training sessions. Facilitated an overall $8 million Life Cycle Tech Refresh for the entire RSHQ base. -
Linux Systems AdministratorJmark Business Solutions, Inc. Oct 2013 - Dec 2013Springfield, Missouri, Us -
Linux System AdministratorTeksystems Apr 2013 - Oct 2013Hanover, Md, Us -
Field Software Engineer 2Engility Corporation Jan 2009 - Apr 2013Reston, Virginia, UsAs the only DCGS-A FSE at COB Basrah, Camp Bucca, I filled in as the Iraq USD-South lead on four separate occasions. Times raged from a couple of days to almost a month. I was the DCGS-A Subject Matter Expert for Iraq USD-S and provided overall DCGS-A technical guidance to FSEs in the region. Both USD-South Leads realized my technical abilities and allowed me to be the “go to guy” for all DCGS-A support in the Region.As the only DCGS-A FSE assigned to Ft Sill, OK, I supported 7 MRXs/FTXs/DIGEXs/NET Training/TOCEX events for 75th FiB, 214 FiB, 45th FiB, Ft Sill MCTC and 31st ADA BDE. Support included imaging, configuration, post clone, and daily maintenance of unit systems. As the FSE I covered 3 DCGS-A WSS (all with v3.1.6 on R610 and R905 Dell server platforms). I conducted the fielding of equipment to units on Fort Sill. I fielded all three WSS from equipment setup to unit upgrade to new equipment and software to post configuration of all servers and BALs. I completed this task while simultaneously supporting two unit CPXs and a DCGS-A new equipment training NET. -
Field Software EngineerL-3 Jan 2009 - Jul 2011New York, Ny, UsMr. Duncan supported US Military operations in South West Asia (SWA) as a member of the DCGS-A team by performing required on site software engineering and support functions required to sustain field operations, system availability, and mission readiness. He developed, validated, and documented project requirements. Also, Mr. Duncan designed and developed software to add capability and scalability to existing applications. Additionally, he resolved software-related problems and developed alternative operational or technical approaches to solve problems. Mr. Duncan assisted in the field installation of software, and training users in proper operation of the new or modified software and components. As one of the Division (1CAV) FSEs on Victory Base Complex (VBC) Mr. Duncan supported 2 DCGS-A SIPR TPE server suites, and 2 DCGS-A JWICS TPE Server suites. This support also included between 40-60 DCGS-A BALs at any given time. Support includes imaging, configuration, post clone, daily maintenance, hardware, and assisting the units to coordinate issuing and turn-in of equipment to the DCGS-A Theater Logistic personnel as well as getting their MTOE equipment fixed or replaced by the Regional Support Center (RSC) on VBC.As the only FSE at Combat Operating Bases (COB) Adder, Mr. Duncan supported one Active Duty Brigade Combat Team (BCT) headquarters with three combat battalions, One Artillery Battalion and two service/support battalions; one National Guard Infantry BCT headquarters with three combat battalions; one Combat Aviation Brigade (CAB) headquarters; one Battlefield Surveillance Brigade (BfSB); one Sustainment Brigade and one Engineer Battalion. As the lead FSE at COB Basrah, Camp Bucca, Mr. Duncan supported one Activity Duty Infantry Division (ID), one Fires Brigade (FiB), one Armored Regiment (AR), one Explosive Ordnance Disposal (EOD) detachment, one Brigade Special Troops Battalion (BSTB), one Joint Inter-Agency Task Force (JIATF), and one IBCT detachment. -
Transmission Systems Non Commissioned Officer In Charge (Ncoic)United States Air Force Nov 2003 - Dec 2008Randolph Afb, Tx, UsDuncan provided technical and management support for the 33d Combat Communication Squadron (CCS) for the USAF. Mr. Duncan led a 12-person deployable transmission systems section and was responsible for daily operations and mission readiness. In this role, Mr. Duncan engaged in operation and maintenance of Promina 400/800, FCC-100s, COMSEC, Radio Frequency Modules, Crypto Modules, CISCO switches/routers, Zephyr GPS timing, and long haul communications. He also deployed, troubleshot, and maintained Theater Deployable Communications (TDC) suites valued at $9.1M. He provided Command and Control (C2) services supporting DoD, Joint Chiefs of Staff (JCS), and Major Command (MAJCOM) contingencies, humanitarian missions and exercises. Additionally, he coordinated movement of assigned equipment and cargo palletization for airlift to ensure 100 percent accountability. -
Ncoic, Deployable Transmission SystemsUnited States Air Force Nov 2003 - Nov 2008Randolph Afb, Tx, UsMr. Duncan provided technical and management support for the 33d Combat Communication Squadron (CCS) for the USAF. Mr. Duncan led a 12-person deployable transmission systems section and was responsible for daily operations and mission readiness. In this role, Mr. Duncan engaged in operation and maintenance of Promina 400/800, FCC-100s, COMSEC, Radio Frequency Modules, Crypto Modules, CISCO switches/routers, Zephyr GPS timing, and long haul communications. He also deployed, troubleshot, and maintained Theater Deployable Communications (TDC) suites valued at $9.1M. He provided Command and Control (C2) services supporting DoD, Joint Chiefs of Staff (JCS), and Major Command (MAJCOM) contingencies, humanitarian missions and exercises. Additionally, he coordinated movement of assigned equipment and cargo palletization for airlift to ensure 100 percent accountability. -
F-15 Crew ChiefUnited States Air Force Jan 1999 - Oct 2003Randolph Afb, Tx, Us -
Parts SpecialistO'Reilly Auto Parts Jun 1994 - Jan 1998Springfield, Mo, Us
Jeffrey D. Skills
Jeffrey D. Education Details
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American Military UniversityInformation Technology Management -
Community College Of The Air ForceAircraft Systems Maintenance Technology -
Community College Of The Air ForceElectronic Systems Technology -
Wayne Community CollegeGeneral -
University Of Maryland - Asian DivisionGeneral -
Porters Chapel AcademyHigh School/Secondary Diplomas And Certificates
Frequently Asked Questions about Jeffrey D.
What company does Jeffrey D. work for?
Jeffrey D. works for Disa
What is Jeffrey D.'s role at the current company?
Jeffrey D.'s current role is CASP+ | CySA+ | CyberSecurity First Responder.
What is Jeffrey D.'s email address?
Jeffrey D.'s email address is je****@****isa.mil
What schools did Jeffrey D. attend?
Jeffrey D. attended American Military University, Community College Of The Air Force, Community College Of The Air Force, Wayne Community College, University Of Maryland - Asian Division, Porters Chapel Academy.
What skills is Jeffrey D. known for?
Jeffrey D. has skills like Dod, Information Assurance, Security Clearance, Comsec, Security, Intelligence, Troubleshooting, Computer Security, Security+, System Administration, Network Security, Military.
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